Installation Administrator

Administrator Ref. 99765

Mitie has a great opportunity for an Administrator to join our Installation team’s Security System Team working in partnership with our client, Sainsbury’s. Base location: Mitie Head office – Northampton. Hours per week: 40.

Job Overview

This role involves liaising and working with various stakeholders, communicating both verbally and in writing in a highly professional manner, and building effective, trusted customer relationships to deliver KPIs on projects in the electronic security sector. Internally, you will interact across the business with engineering and administration teams, sub‑contractors, and suppliers. Management information dashboards and trackers will be updated in accordance with agreed timescales.

Responsibilities

• Build and maintain effective customer relationships.
• Act as the first point of contact for all customer, supplier and contractor calls, ensuring a professional and responsive service.
• Support service delivery and communication within the installations department.
• Liaise with internal teams, subcontractors and suppliers to ensure smooth workflow.
• Maintain accurate and up‑to‑date customer records.
• Keep customers informed on project and work order progress.
• Manage administrative tasks promptly and respond to job‑related queries.
• Provide ad‑hoc support to the service desk as required.
• Process customer enquiries and all associated communications.
• Verify that engineer/subcontractor documentation is complete and accurate.
• Raise and process invoices, ensuring all supporting documents are correctly filed.
• Confirm purchase orders are in place before work begins and monitor spend levels.
• Escalate spend and authorisation issues when required.
• Collaborate with internal departments to resolve customer issues.
• Chase subcontractor paperwork and ensure timely invoicing.
• Maintain accurate system records, including call logs and customer information.
• Raise and track purchase orders, monitor delivery updates, and liaise with contractors.
• Follow all BMS procedures and meet performance targets and SLAs.
• Order parts in line with contract requirements.
• Handle complaints professionally and escalate to management when needed.
• Maintain all work‑order trackers.
• Carry out additional duties assigned by management.

Qualifications

• Strong customer service and relationship‑building skills with a professional telephone manner.
• Dependable team player able to work independently when required.
• Excellent communication and organisational abilities.
• Proficient in Microsoft applications.
• Commercial awareness, ideally with experience working to SLAs and KPIs.
• Enthusiastic, customer‑focused, and committed to delivering high standards of service.
• Capacity to take ownership of issues and support resolution collaboratively with engineers and contractors.
• Experience with CASH or similar work‑order systems is desirable.

Security and Health & Safety

• Follow group and company policies and procedures at all times.
• Report any apparent deficiencies in systems of work or equipment that may compromise service delivery or pose health and safety risks.
• Use all work equipment and personal PPE properly and in accordance with training.
• Report issues or training needs to your line manager and/or via the divisional incident reporting system.

Benefits

• Virtual GP service available for you and members of your household.
• Salary Finance scheme – access 50% of earned pay before payday for a small fee, and competitive loans.
• Flexible lifestyle benefits platform, Choices – including extra holiday days, critical illness insurance, dental treatment, technology purchases at an affordable cost.
• Access to high‑street discounts from thousands of retailers via the MiDeals platform.
• Cycle‑to‑work scheme.
• Life cover of up to four times your salary.
• Enhanced pension contributions, a save‑as‑you‑earn scheme and a Mitie Matching Share Plan.
• Recognition through Mitie Stars and monthly cash prizes, with an annual prize of up to £10,000.

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